HP LJ 4104/ 4003/ 4004/ 4103 /HP 4104 Fuser Assembly

About HP LJ 4104/ 4003/ 4004/ 4103 /HP 4104 Fuser Assembly

The Fuser Assembly for HP LaserJet Pro 4003, 4004, 4103, and 4104 series (often referenced by part numbers such as RM2-5399 or RM2-5425) is the critical thermal component responsible for permanently bonding toner to paper. Using a combination of precisely controlled heat and pressure, it ensures that your printed documents are sharp, smudge-free, and durable.

Key Technical Specifications

Part Numbers: Commonly identified as RM2-5399 (220V) or RM2-5425.
Voltage: Available in 220V240V (standard for India/Europe) and 110V127V (standard for North America).
Expected Life Cycle: Rated for approximately 80,000 pages, making it suitable for high-volume office environments.
Weight & Dimensions: Typically weighs about 0.9 kg with approximate dimensions of 30 x 15 x 15 cm.

Core Features & Benefits

Toner Fusion: Uses thermal-resistant rollers and a heating element to melt toner particles into the paper fibers.
Cooling & Solidification: Includes a post-fusing cooling process that helps the toner solidify quickly to prevent smearing as the page exits.
Compatibility: This unit is designed for the
LaserJet Pro 40014004
(single function) and 41014104 (MFP) series.
Reliability: High-quality replacement units, like those found at Garg Computers or JAE Printer Parts, ensure consistent heat transfer and even press